WSJ analysis on tech firms

Tech stocks’ swoon has given investors flashbacks to the dot-com meltdown, but a Wall Street Journal analysis shows at least one harbinger of trouble absent today: tech firms in danger of collapse.
http://online.wsj.com/news/articles/SB10001424052702303851804579560000486431682?mod=WSJ_hp_RightTopStories&amp;mg=reno64-wsj